Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and <c+a> dislocation activity

Jiajing Chen; Yuanfei Han; Zichao Wei; Shaopeng Li; Zhonggang Sun; Liang Zhang; Guangfa Huang; Jianwen Le; Di Zhang; Weijie Lu

doi:10.1080/21663831.2023.2252858

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Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity

Original Reports | 更新时间：2026-08-19

- Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity
- Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity
- 材料研究快报（英文） 2023年11卷第10期页码：863-871
- 作者机构：
  
  1. a State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University
  2. b Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming
  3. a State Key Laboratory of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University Shanghai People’s Republic of China
  4. c AVIC Shenyang Aircraft Design & Research Institute
  5. d Tech Institute for Advanced Materials College of Materials Science and Technology Nanjing Tech University
  6. e Shanghai Engineering Research Center of 3D Printing Materials Shanghai Research Institute of Materials
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2252858
  中图分类号：
- 网络首发：2023-09-05，
  
  纸质出版：2023
- 稿件说明：
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Jiajing Chen, Yuanfei Han, Zichao Wei, 等. Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity[J]. 材料研究快报（英文）, 2023,11(10):863-871. DOI: 10.1080/21663831.2023.2252858.

Jiajing Chen, Yuanfei Han, Zichao Wei, et al. Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity[J]. Materials Research Letters, 2023, 11(10): 863-871. DOI: 10.1080/21663831.2023.2252858.
Jiajing Chen, Yuanfei Han, Zichao Wei, 等. Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity[J]. 材料研究快报（英文）, 2023,11(10):863-871. DOI: 10.1080/21663831.2023.2252858. DOI：

Jiajing Chen, Yuanfei Han, Zichao Wei, et al. Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity[J]. Materials Research Letters, 2023, 11(10): 863-871. DOI: 10.1080/21663831.2023.2252858. DOI：

摘要

Abstract

Constructing heterostructures in particulate reinforced titanium matrix composites (PRTMCs) to evade the strength-ductility trade-off dilemma is much more difficult than in metals. Here

we proposed a novel and controllable strategy of simple powder assembly to fabricate bimodal-grained PRTMCs

this customized strategy makes coarse grains (CGs) surrounded by ultrafine-grained (UFG) matrices

conferring a superior strength-ductility combination not achievable by their traditional homogeneous counterparts. We found that such heterostructures appear to promote storage of mostlyc+a dislocations in CGs and accumulation near the CG/UFG boundaries. Moreover

hybrid reinforcements also activate multiple hardening mechanisms

inducing high ductility.

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Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity

Heterostructured titanium composites with superior strength-ductility synergy via controllable bimodal grains and dislocation activity

DOI：10.1080/21663831.2023.2252858

摘要

Abstract

关键词

Keywords

references